DNS code diagram
2020-01-10 12:16:34 0 举报
DNS code diagram
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Check local relay file
IP address is 0.0.0.0?
Forward DNS query to a server
Build a DNS response(flag = 0x8183)
IP address found?
Initialize ID Conversion Table
start
Receive DNS query
Get Response and send back to resolver
Create a socket and bind to port 53
Build a DNS response(flag =0x8183)
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